23300156 has 48 divisors (see below), whose sum is σ = 47900160. Its totient is φ = 9803520.

The previous prime is 23300143. The next prime is 23300161. The reversal of 23300156 is 65100332.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38996 + ... + 39588.

It is an arithmetic number, because the mean of its divisors is an integer number (997920).

Almost surely, 2^23300156 is an apocalyptic number.

It is an amenable number.

23300156 is an abundant number, since it is smaller than the sum of its proper divisors (24600004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23300156 is a wasteful number, since it uses less digits than its factorization.

23300156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674 (or 672 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 23300156 is about 4827.0235135122. The cubic root of 23300156 is about 285.6184620088.

Adding to 23300156 its reverse (65100332), we get a palindrome (88400488).

The spelling of 23300156 in words is "twenty-three million, three hundred thousand, one hundred fifty-six".